Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
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temporarily or
permanently
Fuel Pump Control
FUEL PUMP CONTROL -
The ECM receives a signal emitted from the
crankshaft position sensor and turns the
fuel pump relay ON or OFF to control
fuel pump operation. To improve safety, the fuel pump will stop if the engine stalls with the
ignition switch ON.